# clm_31ADE8991E18

subject: Duolingo (/record/duolingo.md)  
predicate: quarterly_research_and_development  
value: 82,707,000 United States dollar  
valid_from: 2025-09-30  
valid_to: 2026-03-31  
confidence: 0.95  
status: superseded  
superseded_by: clm_F2E7483772C4  
first_seen: 2026-10-28  
last_updated: 2026-10-28  

## Sources

- https://www.sec.gov/Archives/edgar/data/1562088/000162828025049743/0001628280-25-049743-index.htm (primary, SEC EDGAR 10-Q Q3 FY2025)

## Supersedes

- [Duolingo](/record/duolingo.md) | quarterly_research_and_development | 73,670,000 United States dollar | valid 2025-06-30 to 2025-09-30 | conf 0.95 | superseded | superseded_by [clm_31ADE8991E18](/claim/clm_31ADE8991E18.md) | [clm_6B837E5EDF63](/claim/clm_6B837E5EDF63.md)
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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.